package com.atguigu.auth.controller;

import com.atguigu.auth.service.SysMenuService;
import com.atguigu.auth.service.SysUserService;
import com.atguigu.common.config.mp.exception.GuiguException;
import com.atguigu.common.jwt.JwtHelper;
import com.atguigu.common.result.Result;
import com.atguigu.common.utils.MD5;
import com.atguigu.model.system.SysUser;
import com.atguigu.vo.system.LoginVo;
import com.atguigu.vo.system.RouterVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @version 1.0
 * @autor 雷记新
 */
@RestController
@RequestMapping("/admin/system/index")
public class IndexController {
    @Autowired
    private SysUserService sysUserService;

    @Autowired
    private SysMenuService sysMenuService;


    //login
    @PostMapping("login")
    public Result login(@RequestBody LoginVo loginVo){
//        Map<String,Object> map = new HashMap<>();
//        map.put("token","admin-token");
//        return Result.ok(map);

        //1 获取用户名和密码
        String username = loginVo.getUsername();
        //2 根据用户名查询数据库
        LambdaQueryWrapper<SysUser> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(SysUser::getUsername,username);
        SysUser sysUser = sysUserService.getOne(wrapper);
        //3 用户信息是否存在
        if (sysUser == null){
            throw new GuiguException(201,"用户不存在");
        }
        //4 判断密码
        //数据库里的密码(md5密码)
        String password_db = sysUser.getPassword();
        //获取输入的密码
        // 使用md5加密所输入的密码
        String password_input = MD5.encrypt(loginVo.getPassword());
        //然后再与数据库里的密码做对比
        if (!password_db.equals(password_input)){
            throw new GuiguException(201,"密码错误");
        }
        //5 判断用户是否被禁用 1可用 0禁用
        if (sysUser.getStatus().intValue()==0){
            throw new GuiguException(201,"用户已经被禁止使用");
        }
        //6 使用jwt根据用户id和用户生成token字符串
        String token = JwtHelper.createToken(sysUser.getId(), sysUser.getUsername());
        //7 返回数据
        Map<String,Object > map = new HashMap<>();
        map.put("token",token);
        return Result.ok(map);
    }

    //info
    @GetMapping("info")
    public Result info(HttpServletRequest request) {
        //1.从请求头获取用户信息（获取请求头带token字符）
        String token = request.getHeader("token");
        //2 从token字符串中获取用户id或者用户名称
        Long userId = JwtHelper.getUserId(token);
        //3 根据用户ID查询数据库，把用户信息获取出来
        SysUser sysUser = sysUserService.getById(userId);
        //4 根据用户id获取用户可以操作菜单列表()
        //查询数据库动态构建路由的结构 进行显示
        List<RouterVo> routerList = sysMenuService.findUserMenuListByUserId(userId);
        //5 根据用户id获取用户可以操作的按钮列表
        List<String> permsList = sysMenuService.findUserPermsByUserId(userId);
        //6 返回相应的数据
        Map<String, Object> map = new HashMap<>();
        map.put("roles","[admin]");
        map.put("name",sysUser.getName());
        map.put("avatar","https://oss.aliyuncs.com/aliyun_id_photo_bucket/default_handsome.jpg");
        //TODO 返回用户可用操作的菜单
        map.put("routers",routerList);
        //TODO 返回用户可以操作的按钮
        map.put("buttons",permsList);
        return Result.ok(map);
    }

    /**
     * 退出
     * @return
     */
    @PostMapping("logout")
    public Result logout(){
        return Result.ok();
    }
}
